`compgen -G ... | wc -l` under `set -eo pipefail` aborts the script on
the non-zero pipeline exit (compgen returns 1 on no match) before the
FATAL diagnostic branch can run. The container still fast-fails, but
operators saw no explanation.
Switch to the conditional `if ! compgen -G ... >/dev/null 2>&1; then`
pattern already used at the two other compgen call sites in this file
(bootstrap_factory_repo and the PROJECT_NAME parser). The count for the
success-path log is computed after we've confirmed at least one match.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
